From 0637f575941d99ea102d0b14786a83b3f02c65e5 Mon Sep 17 00:00:00 2001
From: thatcomputerguy0101 <thatcomputerguy0101@gmail.com>
Date: Thu, 28 Nov 2024 00:13:36 -0500
Subject: [PATCH] Fix planar projection focal calculation

---
 src/projection.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/projection.rs b/src/projection.rs
index 5e8f67bd..c7bf0f39 100644
--- a/src/projection.rs
+++ b/src/projection.rs
@@ -336,7 +336,7 @@ impl<S: BaseFloat> From<PlanarFov<S>> for Matrix4<S> {
         }
 
         let two: S = cast(2).unwrap();
-        let inv_f = Rad::tan(persp.fovy / two);
+        let inv_f = Rad::tan(persp.fovy / two) * two / persp.height;
 
         let focal_point = -inv_f.recip();